diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 587da05b5..dba970bb8 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -875,13 +875,6 @@ krb5_princ_set_realm(krb5_context context,
 		     krb5_principal principal,
 		     krb5_realm *realm);
 
-krb5_error_code
-krb5_principal_set_component(krb5_context, 
-			     krb5_principal, 
-			     int, 
-			     void*, 
-			     size_t);
-
 krb5_error_code
 krb5_make_principal(krb5_context context,
 		    krb5_principal *pruincipal,